International Scholarly Research Notices / 2013 / Article / Fig 2

Clinical Study

Effectiveness of Heparin during Long-Term Tocolysis

Figure 2

Before inducement versus after inducement of heparin PVC exchange frequency. The frequency of PVC exchange reached to 3.32 ± 0.28 per week before heparin inducement. After inducement, the number of PVC exchange reduced to 2.34 ± 0.23 per week ( ).

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